Home / 17,430.72-26,148.12-6,342.63

Finding the Fourth Proportional to 17,430.72, 26,148.12 and 6,342.63

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Solution

The fourth proportional to 17,430.72, 26,148.12 and 6,342.63 is: 9,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.72 : 26,148.12 = 6,342.63 : x
  2. Step 2: Convert to fraction form
    17,430.72/26,148.12 = 6,342.63/x
  3. Step 3: Cross multiply
    17,430.72x = 26,148.12 × 6,342.63
  4. Step 4: Simplify right side
    17,430.72x = 165,847,850.36
  5. Step 5: Solve for x
    x = 165,847,850.36/17,430.72
  6. Step 6: Final answer
    x = 9,514.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.